Baltimore Weather in September

September in Baltimore averages 18°C (64°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 88 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in Baltimore in September

Looking at the last 30 years, the data shows about 19 days with rain, averaging 88 mm (3.5 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Baltimore in September

September in Baltimore brings moderate temperatures, with highs of 18°C (64°F) and nights around 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Baltimore in September

The area enjoys a moderate level of sunlight, with around 128 hours. It's a good balance between sunny and cloudy days.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Baltimore.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Baltimore's climate page.

Baltimore Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 62%  

Precipitation 88 mm (3.5 in)  

Rainy days 19 days  

Humidity 75% *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Cork, Ireland (72 KM, 45 Miles).

What to Wear in Baltimore in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Baltimore in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Baltimore's climate page.

More climate data for Baltimore

Temperature Rainfall Sunshine Humidity

See the full Baltimore climate overview or explore weather in Ireland.